Ensure accurate and consistent water testing with API-like ASG Replacement Glass Tubes with screw on caps. Make sure to grab one of our 5ml syringes as well!
 
These replacement tubes with screw on caps are designed specifically for use with API liquid test kits, providing a reliable and convenient way to conduct your water testing. Over time, test tubes can become stained, scratched, or damaged, affecting the accuracy of your readings. These replacement tubes restore the precision of your API test kits.
 
Key Features:
Direct Replacement: Designed to fit API liquid test kits perfectly.
Clear and Durable: Made from high-quality materials for clear readings and long-lasting use.
Secure Screw Caps: Prevents leaks and spills during testing.
Maintains Accuracy: Ensures accurate and reliable water testing results.
 
Why Replace Your Tubes?
Stained or scratched tubes can alter color readings.
Damaged tubes can leak or break.
Fresh tubes ensure optimal testing conditions.
 
Keep your API test kits performing at their best with the ASG Replacement Glass Tubes with screw on caps. A simple and essential accessory for any aquarium enthusiast.